i need source code of voloume rendering based 2dTexture(best) or 3d texture

i need complete source code of volume rendering based 2d texture(best) or 3d texture in opengl/vc++ on windows platform.
The reason i prefer the source code based 2d texture is that i just have pc computer (only have 2d texture graphic hardware).
thank you very much .
my email : guoxusheng@hotmail.com